From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33120) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1er0hF-0000ii-1z for qemu-devel@nongnu.org; Wed, 28 Feb 2018 07:18:57 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1er0hA-0002mf-7c for qemu-devel@nongnu.org; Wed, 28 Feb 2018 07:18:57 -0500 From: Alberto Garcia In-Reply-To: <20180227162944.17343-3-eblake@redhat.com> References: <20180227155514.16721-1-eblake@redhat.com> <20180227162944.17343-3-eblake@redhat.com> Date: Wed, 28 Feb 2018 13:18:48 +0100 Message-ID: MIME-Version: 1.0 Content-Type: text/plain Subject: Re: [Qemu-devel] [PATCH v4 3/5] qcow2: Reduce REFT_OFFSET_MASK List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Eric Blake , qemu-devel@nongnu.org Cc: qemu-block@nongnu.org, kwolf@redhat.com, Max Reitz On Tue 27 Feb 2018 05:29:42 PM CET, Eric Blake wrote: > Match our code to the spec change in the previous patch - there's > no reason for the refcount table to allow larger offsets than the > L1/L2 tables. In practice, no image has more than 64PB of > allocated clusters anyways, as anything beyond that can't be > expressed via L2 mappings to host offsets. > > Suggested-by: Alberto Garcia > Signed-off-by: Eric Blake Reviewed-by: Alberto Garcia Berto